Looking for something light to medium weight for your little ones to sleep in? This nap sackl is 100% Interlock Cotton, is fully machine wash/dry and also has an adorable richly detailed applique and embroidered Elephant. With adjustable snaps at the arms and shoulders, this nap sack comes equiped with a 2-way zipper for easy changing. It fits most babies from 0-6 months, up to 28".